Herd-level risk factors for bovine viral diarrhea infection in cattle of Tamil Nadu
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A cross-sectional study was carried out to identify risk factors for bovine viral diarrhea virus (BVDV) infection in 62 randomly selected dairy herds which were tested for BVD serum antibodies by using an indirect ELISA kit (IDEXX). Results from the chi-square test analysis were interpreted by analyzing by chi-square test. A sum of 500 sera samples were screened and 66 animals (13.20%) showed positive for BVDV antibody. Within herd, BVD seroprevalence was 12–65%. This study concluded that epidemiological risk factors like location, herd size, housing patterns like, tail to tail system, roofing pattern, distance between the manure pit and farm, and distance between farms were significantly associated with BVDV serological status (P < 0.05).
KeywordsBovine viral diarrhea Cattle Seroprevalence Tamil Nadu
The authors expressed their sincere thanks to Tamil Nadu Veterinary and Animal Sciences University, Chennai -51.
Compliance with ethical standards
Conflict of interest statement
The authors declare that they have no conflict of interest.
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